171915-82-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171915-82-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,9,1 and 5 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 171915-82:
(8*1)+(7*7)+(6*1)+(5*9)+(4*1)+(3*5)+(2*8)+(1*2)=145
145 % 10 = 5
So 171915-82-5 is a valid CAS Registry Number.